Visual C++ :: IE WebBrowser Not Sending Some Redrawing Messages
Aug 22, 2013
I have a property sheet view with few property pages. One of this property page contains a HTML representation via a CHtmlView derived class.
Initially, the .html file is correctly rendered. The problem is that sometimes switching between properties pages sometime the html file is not redraw. The behavior appears randomly.
According to Spy++ in such situation some Windows messages are not sent by WebControl (Internet Explorer_Server layer): WM_ERASEBKGRD, WM_PAINT or WM_NCPAINT.
Approaches such Q179421 or Q183161 are not useful. My machine runs IE 10.
The windows hierarchy is: Shell Embedding -> Shell DocObject View -> Internet Explorer_Server.
Any workaround that would determine Internet Explorer_Server layer to send these messages always?
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Apr 20, 2014
I wanted to make an program which is sending messages to log in and password, but instead of message it gives me "System.Windows.Forms.TextBox, Text: AND HERE MY TEXT I WANTED.
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Mar 18, 2015
I am new to this area and have the requirement like:
1) A running process wants to send message based on event arrival.
2)the process checks if event is critical
3)if critical then it has to send message immediately ,else send after time t.
4) The process is continuously process the events . so once it knows the event is not critical and has to send message later it has to proceed with its normal operation.. only when time 't" comes it has to come and send message.
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Apr 8, 2013
If it is possible, I'd like to know how to intercept messages sent to controls on a dialog. I'm working on a large application with a large number of dialogs, each with a number of controls on the dialog. I need to be able to intercept messages sent to these controls so that I can determine if the controls really need to take action on these messages. I could subclass each control and override the specific event handlers but due to the volume of controls in the application this could take a very long time, will introduce risk if controls are missed, and will increase maintenance costs. What I want to do is create a class which is derived from CDialog and each of the dialogs in the application would then be derived from this new dialog class. The new dialog class would intercept messages sent to any control on the dialog and if the dialog decides that the control should do something then the dialog will pass the message on to the control.
example:
CExistingDialog is derived from CNewDialog is derived from CDialog
CExistingDialog has a number of controls. When the code in CExistingDialog calls CWnd::EnableWindow on one of these controls I want CNewDialog to intercept the message, determine what should be done with the message, and then pass it on to the control.
I'm not very familiar with the messaging framework. I've tried overriding a few of the methods of CNewDialog but none of them ever receive the message to enable the window. I assume this is because the message is sent directly to the child window (the control).
Is there any way to intercept these messages? I don't know much about hooks either but is this a possible option?
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Feb 13, 2013
I am writing a program which handles the CAN messages Received from BUS.My code is taking almost 60% of CPU usage.
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Jul 8, 2014
I'm getting this strange problem with the webBrowser control that google can't find an answer for. When I click a button I get redirected to a page with just the letters 'e4' makes no sense to me?? is this a site problem or something to do with the webBrowser control?
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Oct 4, 2013
I am currently working on a MFC application and need to send (non-document) files created by the program over email. (either with SMTP client on the machine or web mail)
I have searched the web and some forum and cannot find a code that work. They either have errors, or not Unicode compliant, even when converted they still don't work.
Everything code example seems to use MAPI, but like I said non of them worked.
see here
[URL]
A simpler approach would be to modify or override the event handler OnFileSendMail() that is built into MFC document view framework and use the menu id ID_FILE_SENDMAIL.
To get this feature all you have to do is give any menu item the resource id ID_FILE_SENDMAIL and MFC will call the installed mail client for you. The problem is MFC will attach any open document that is in focus when you select the menu item. The file that I wish to send is not associated with the document so I was wondering if there is a way to find the OnFileSendMail() handler and modify it to send my file instead. I am not too keen on how MFC route command handler such as ID_FILE_NEW, ID_FILE_SENDMAIL etc. These methods/functions are hidden from view or I don't know where to find them.
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Apr 9, 2015
Got something like the following. A button that read characters from a thrid party tool and sends it to a listbox. But the contant is not readable.
Code:
void dlg::sendtolistbox() {
unsigned char buf[250];
thirdparty.GetData(buf, len);
Sendmessage(hndl, listboxupdate,0 , (LPARAM)buf);
}
void Mydlg::UpdateListBox(wparam a,laparm b) {
m_listbox.AddString((LPCTSTR)b);
}
The characters show up in the list box as short unreadable characters. like it is chopped.
If i change to : Sendmessage(hndl, listboxupdate,0 , (LPARAM)&buf[15]);
Then I can see readable valid strings of up to 50 characters and then empty unreadable characters afterwards. I tried all kinds of things , including using CString, still did not work.
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Apr 14, 2015
I am working on an application that should send mails to some recipient. I got a mail address tarek@abcd.fr use it to send a mail to tarek@gmail.com. each time I execute my program I got the following message when I send DATA "553, that domain isn't allowed to be relayed thru this mta (#5.7.1) ovh"
I tried to change my port from 25 to 587 (even 465) but I got the same result.
I am using Visual Studio 2010 on Windows 8.
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Feb 26, 2013
I need to send a packet of type byte:
0x00, 0x01, 0x02, 0x11, 0x00, 0x00
to a device via the serial port and then I receive and store data coming from device like this:
0x01, 0x01, 0x01 , 0x00, 0x00, 0x00, 0x01, 0x00, 0x04, 0x01, 0x00.
Writing lines of code through which:
1) I create the array
2) the sending the array to serial port
3) I'll see what I'm sending
4) I get the data
I'm using Visual Studio 2010 and C + + or VC++ language.
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Jan 7, 2015
I have finally got around to developing C++ & MFC using Visual Studio 2012, to build a full GUI Windows application (not sure if I have made the right choice). Though admittedly in two months time I do have a dialog window at my beck and call.
Now I have discovered a flaw (suspect) partially caused by the design of this program not all following the same principles, nor written by the same people and long predates me. Let describe the situation.
I have a dialog I have created as a class which has a combo box. The list of items are populate during the OnInitDialog() function just fine, except if the file where the detail is not yet read from that combo box would not have any items other than the default. This is to be expected in the use of the program, so fine.
However, if the dialog (modeless) was already open and active, when the user went up to and selected the menu command (main window) to read that file that CPtrList data structure that held that data would not populate that Combo box on my dialog.
So what I would like when I am done reading the files contents is to detect if my dialog is opened and if so send it a message to Activate (force a call to OnActivate()). I have gone to the event list for the dialog and exposed this event handler from the resource editor just fine.
I see the syntax of OnActivate() is
void MyClass::OnActivate(UINT nState, CWnd* pWndOther, BOOL bMinimalized);
So nState is an Unsigned Int of the current state of the thread/window (not sure)?
CWnd* pWndOther is the CWnd of my other Window that wants my dialog to activate I think which is the main application since it was on the a menu that this function was called to read the file.
bMinimalized is whether my dialog is mimalized(?)
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Mar 25, 2014
Basically i need to encrypt a message into ascii values & i also need to allow the user type some ascii values thus decrypting the values into characters that are placed within the code.
#include <iostream>
#include <iomanip>
#include <cstring>
#include <string>
using namespace std;
#define Q 2000
void main(){
char array1[Q]={"A gentle, dull flickering flame, burns in the marble hearth. Its dim light scarcely illuminates the small, cozy room with its quiet elegance. The dismal light plays softly causing shadows over the solitary figure of a wooden desk at which Allen was roaming through his memories. Thinking back in the past where he once had a friendship which was out righteously incredible. She was the girl of his dreams, in a way which she had everything he had ever sought out in a beautiful and clever girl. Most of all she had his heart. Her style was incredible in the way the outfits she would wear would match perfectly giving a deep vibrant lively feeling."};
int S[Q];
char S1[Q];
int x;
int i;
char e, d;
cin>>x;
if(x=d){
cin>>Q;
for(i=0;i<array1[Q];i++)
cout << S[i]<<endl;
for(i=0;i<array1[Q];i++)
cout << S[i]<<endl;
}
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Nov 11, 2013
I'm currently in the middle of designing a program for some project. one part of the program is to send reminding SMS messages to the employees.
I have already subscribed to a SMS provider and they gave me an access to a control panel (aspx). But now I'm wondering how will I be able connect to the SMS server and be able to send messages?
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Apr 23, 2012
Is it possible to alter an error message for a particular line if you think it might fail compilation? GNU specific stuff is okay. The reason I want to do it is because I have this code.
Code:
template <size_t S>
struct assertion{}
int main(){
{
volatile assertion<sizeof(config::input)> asrt = assertion<sizeof(config::output)>();
}
}
If the arrays config::input and config:utput are different sizes, I want it to be clear that that's what needs to be fixed. Is there an __attribute somewhere that will allow me to do that?
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Jan 16, 2015
vector<int> vec1 {2, 4, 6, 8, 10, 12, 14, 16, 18, 20};
This code worked perfectly fine in Xcode earlier today, but when I got home on visual studio 2012 express it is having an error. It's saying that the local function definitions are illegal and has a red mark under the '{' only?
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Jun 8, 2013
I'm having some trouble with my binary tree for school. It is a data structures class so we are working on learning how to make our own binary trees and encrypt messages. Everything so far is working, except for my delete node function. I'm trying to do it recursively. Parts of my code.
/******** Node *********/
struct node {
char data;
node* right;
node* left;
};
/******** Binary Tree Class *********/
class BinaryTree
[Code]...
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Nov 2, 2013
I'm gonna start a project for my own purpose. In my project I need to access GSM sim cards and send & receive messages through a PC interface. What kind of GSM Interface support for my Requirements and in feature may extend Requirements. what kind of programming language will be simple for write an pc interface to access that GSM interface device.
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Dec 5, 2012
I work on a system that communicates with other systems via messages. Those messages are defined in a spec and every word must be exactly as defined. To accomplish this Ada allows me to define the fields of my record to specific words in memory.
Code:
word = 4;
type Msg_Type1 is record
x: Some_Type;
y: Another_Type;
z: Another_Type;
end record;
[Code] ....
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Sep 16, 2014
why this code works only for file of smaller data. When I try to send for istance a image, the image arrive corrupted.
Client:
//read all file
byte[] vett = File.ReadAllBytes(s);
//read filename
[Code]....
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Nov 21, 2013
What's the problem with the following:
Code:
#define K 3;
int max(int a, int b) {
return a>b? a : b;
} int main() {
cout<<max(K, K+3);
return 0;
}
Why is it not allowed, and how is it different from:
Code:
int max(int a, int b) {
return a>b? a : b;
} int main() {
cout<<max(3, 3+3);
return 0;
}
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Oct 30, 2013
I have a socket connection already set up, my thing is what would be the best way to send a packet through sockets? My teacher wants us to convert the packet to bits first before we send it. I think he wants something like this:
Code:
struct packet{
int header
int message
int flag
}clientpacket; m
My question is how do we covert this to bits, before sending it. One of my friends said we can create a char[] array the size of the struct as a buffer. will memcpy() change the struct to bits if I copy it to the buffer?
this is how is suppose to look in bits for the header field/column.
Field : header
Field size(bits): 8
data format: Unsigned int
value example: 1
Value in bits: 0000 0001
I am confused, I think I send a structure over the socket but I did not convert it to bits before I sent it .
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May 18, 2014
I want to apply program to send matrix from client and server ,and return back a processed matrix ..
How I can do it using UDP ,it was easy to use tcp for that!?
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Dec 18, 2014
Verify my Method . I am not getting expected output ..
Code:
int Amount=500;
send(newSocket,Amount,4,0);
close(welcomeSocket);
recv(clientSocket,Amount,4,0);
// Amount= ntohl(Amount);
printf("Data received: %d",atoi(Amount[0]));
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Nov 1, 2013
I want to write a program(s) so that the client sits and waits for a scanf to receive an int, then send to server, server then receives the int, processes it, then goes back to sit and wait for new input. to start with, where do i start! server side, or client side? and also what order do i have to go in my program before the loop to set up the socket, and listen? and then what gets looped to keep the connection open and wait for new receive?
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Jul 21, 2013
I have a project, to make a program that spams chat programs. I've been trying to figure out how to send a string to an open program such as notepad, or a chat window. I know how to simulate keystrokes but I have yet to figure out or find out any way of sending a string to a program. pseudo code:
int main() {
string a;
int howManyTimes;
cin >> a;
cin >> howManyTimes;
//user enters "pizza"
for(int i = 0; i < howManyTimes; i++) {
//now I want "pizza" to be sent to the program keystroke enter or whatever the correct syntax is sleep
} }
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Mar 1, 2013
I am writing some code to send text to a third part software. Basically each sending looks like this:
p << "set terminal eps
";
p << "set output '07.eps'
";
p << "plot '-' using ($1 == 0 ? NaN : $1) with lines linecolor 2 title 'comparison ratio',
'-' using ($1 == 0 ? NaN : $1) with lines title 'comparison ratio'
";
p.send(TOex_ar).send(TOnew_ar);
p << "set terminal wxt 7
";
p << "plot '-' using ($1 == 0 ? NaN : $1) with lines linecolor 2 title 'comparison ratio',
'-' using ($1 == 0 ? NaN : $1) with lines title 'comparison ratio'
";
p.send(TOex_ar).send(TOnew_ar);
Each time I have to change the number "07" and "7";decide to add or not the following parts: "using ($1 == 0 ? NaN : $1)", "with lines", "linecolor 2";and write the title 'comparison ratio' and the name of data to send "TOex_ar" and "TOnew_ar".Since I have to do this kind of thing 50 times in my code, and it is in the form of text, I am wondering whether in C++ we can write a template or function to simplify the program, just to input the changing parts.
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