Detailed introduction to commonly used messages

1. Windows message distribution message range description 0 ~ WM_USER – 1 system message WM_USER ~ 0x7FFF custom window class integer message WM_APP ~ 0xBFFF application custom message 0xC000 ~ 0xFFFF application string message> 0xFFFF is for future system applications Reserved 2. Commonly used Windows messages Message name value description WM_NULL 0x0000 Null message, this message will be ignored by the receiving window WM_CREATE 0x0001 The application creates a window WM_DESTROY0x0002 A window is destroyed WM_MOVE0x0003 Moves a window WM_SIZE0x0005 Changes the size of a window WM_ACTIVATE0x0006 A window is activated Or lose the activation state WM_SETFOCUS0x0007 After gaining focus, WM_KILLFOCUS0x0008 loses focus WM_ENABLE0x000A should

1. Win32 SDK Basics (9) Summary of Windows Common Messages

Introduction: 1. Windows message distribution message range description 0 ~ WM_USER – 1 system message WM_USER ~ 0x7FFF custom window class integer message WM_APP ~ 0xBFFF application Program custom message 0xC000 ~

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