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[GDI-Bitmap] OwnerDraw_src_demo DL : 0: 一般情況下，按鈕的繪製工作是由相同完成的，但是有時我們覺得系統繪製的效果太單調，想使自己的按鈕與眾不同，這時你可以選中控件的Owner draw屬性。選擇了這個屬性後，系統便不再繪製該控件，而是當需要顯示控件時，系統會發送WM_DRAWITEM消息給CButton類（對於SDK編程，消息通常是發給父窗口）。對於其他控件，如ListBox，系統在發送WM_DRAWITEM消息前，還發送WM_MEASUREITEM消息，主要是讓你設置ListBox中每個項目的高度-Under normal circumstances, the button mapping work is done by the same, but sometimes we feel that the effect of rendering the system is too monotonous and want to make your own buttons different, then you can select the control of the Owner draw attributes. Chose this attribute, the system will no longer draw the control, but when the need to show control, the system sends a message to CButton class WM_DRAWITEM (for SDK programming, the message is usually sent to the parent window). For other controls, such as the ListBox, the system sends the message WM_DRAWITEM ago, was also sent WM_MEASUREITEM message is designed to allow you to set the height of each item in the ListBox
Date : 2025-12-25 Size : 22kb User : testtestwu
[GDI-Bitmap] Wintab_Example DL : 0: 使用wintab开发的例子，VB开发环境，经过验证可以-Wintab32.dll Demo in VB6 ReadMe notes ******************************************************* ******************************************************* A few notes on this before you play with it: 1) You cannot debug through much of the code! The reason for this is that the routine performs a Windows message hook for the window messages that normally go to the window. So when the user moves the mouse over a window, Windows generates all the messages and sends them to the window to respond. (examples are "MouseEnterWindow, MouseMove, MouseLeaveWindow"). Note these are different from the VB events which are similarly named but operate within VB, they are instead the actual messages Windows OS uses to respond. This is how windows does all of its GUI. Since a hook has been placed in the code, those messages go to the callback routine and thus get intercepted in the application. In debug, all code execution halts in the VB app. But windows keeps sending the messages to the cal
Date : 2025-12-25 Size : 16kb User : 马小华