How can I access controls of one class from another class.
Your question should probably be something like, "How can I access controls on one dialog from a separate dialog?" While it is not a good idea to do so directly (see "loose coupling"), a better way would be to send a message to the parent (the one that owns the control) dialog.
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I have created a simple dialog application where it can perform crud operations but how I did it was I open a connection an do some operations inside most of the buttons as I'm still starting out as a beginner(noob).
What will be a good approach to separate all the database related operations in another class? or keeping as it is, is it a good practice?
Since you're asking the question, you probably already know the answer.
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we want to decrease right of non client area in edit control and draw edge in that but wparam in nccalcsize return 1 only not 0 and lparam no give us rgrc0 or rgrc1 value to change it , if somebody try this please tell me its way and show the pictures to do like this
We already know from OP what you want to decrease...
However, we don't know how you are doing it. Richard MacCutchan asked you to post the code related to your problem, but you only have posted some irrelevant lines of your code.
You imagine a window has Edit control i have to draw rectanle or Edge inside non client area of Edit Control so i have to decrease the width of clint area of edit i think and draw rectangle or Button Shape ( with drawedge api ) between windowrect.right and clientrect.right
how you Draw button inside edit control (t1he right side) ?
to do this i have to make some space in non client area , not client area if button draw in client area when user enter char in edit control , that area ( right side of edit control ) disappear and when move cursor outside again appears
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