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why CPaintDC(this) can't make effect in OnInitDialog?

Discussion in 'MFC' started by Wood, Sep 15, 2006.

  1. Wood

    Wood New Member

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    dear all,i write a program based on MFC Dialog i put code as below in OnInitdialog:

    Code:
    CPaintDC dc(this);
    dc.MoveTo(..);
    dc.LineTo(..);
    but it seems that nothing happened when dialog initiate.

    and when i put these code into OnPaint,it make effect, i don't know why and i guessed that maybe the dialog refresh its window after its init, Could anyone help me?
     

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