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Hi ! How can I convert a 32bit png image to 24bit png ?

I'm using VC 6.0 + sp 6. I'm working on a project for some time, but in the last week the ide got extremely slow (only when I'm working on this project). It hooks for 4-5 seconds when I want to open a file, or while I'm typing something. Have anyone experienced this problem ?

I have a function fct(int a, format, ...) from this function I would like to call the function sscanf(s, format, ...) where ... must be the arguments passed to fct. Is this thing possible ?

I have a jpg file and a second jpg that is the transparency mask of the first. I want to create a png file from these two, with an alpha channel. Can anyone help me ?

the code bellow: n = fprintf(f, "%d", 4); does not return 1, as I expected. Do you know the cause, and how this can be fixed ?

Does anyonw know a /dev/null equivalent for Windows? I would like to use fprintf to write to "nowhere", cause I just need the number of bytes that are written. I cannot use sprintf with a large buffer, since I want to avoid buffer overrruns. Please it's urgent.

Does anyone know why the _vscprintf function described in MSDN is not defined anywhere in vc 6.0 ? Does anyone know a better alternative to this function ? For instance, how can I use printf to print to a null device. I just need to find the result it returns (number of characters that have been...

I have a CListCtrl control and a text box on a dialog. When I click on an item in the list, I display a corresponding message in the text box. Now I would like to do the same when I press arrow and page down/up keys. I'm currently using LVN_KEYDOWN message. The problem is that when I go from...

I have done a setup project with Setup wizard. Now I want to add the option to preserve some existing files when reinstalling the application. How can I do that ? Is there an option to preserve only a particular file ? I'm using VS.Net 2002

I have done a setup project with Setup wizard. Now I want to add the option to preserve some existing files when reinstalling the application. How can I do that ? Is there an option to preserve only a particular file ? I'm using VS.Net 2002

I have an sql server table with an autonumbered field as primary key. I insert a record into the table and then I want to get the id of the new record. For this i use Select max(id) from myTable This works fine, but I don't think it will work properly in a multi user environment. Do you have...

I have a DataRow dr variable. I would like to check if dr(i) is of type DateTime. How can I do this ?

does anyone have a character recognition source file ?

I have a global template in folder c:\templates\g.dot and other templates based on it. When I create a new document based on one of these templates, the message "Global template c:\templates\g.dot" shows up. I also set the Startup file to this path, but obtained the same result. Does anyone...

I have a listbox with 3 columns. I can only call AddItem to fill the first column. How can I fill the others two ? I tried with the Column property but it doesn't work (seems that it can be used only for getting values).

I have a form with a listbox filled with records from a table. When I click on a record, a new form appears, where I can delete this record. After I invoke : List.Recordset.Requery List.Requery the deletion is reflected, but the record is not gone, only filled with #deleted. Is there any...

I have a listbox on a form and two buttons : Edit and New When I press them, a form is opened and I can modify the selected record in the list or I can add a new one. Now when I press Edit, I pass the ID of the current record to the second form. If I press New, a new record is added in the list...

I have a form on which I want to display only the fields of a single record. How can I dynamically change the query string of this form ? I also tried to use the .Find method, which works Ok, but the user can accidentally step to the next record, by pressing the tab key.

I have the following code : Lista.Recordset.Filter = cbCampuri.Value & _ "='" & _ txtValoare.Value Lista.Requery where my Lista is a listbox. The problem is that this listbox doesn't apply the filter. What else should I write here ?

I have an applet which i call from a page located on a apache server. the applet communicates with a tomcat server on another machine, so it must be stored on the same machine on which tomcat runs. where do I have to put my applet ? I have tried to store it in the web-inf directory, but do I...