| DLL命令名 | 返回值类型 | 公开 | 备注 | |
| DragQueryFileW | 整数型 | 非零值表示调用成功 | ||
| DLL库文件名 | ||||
| shell32.dll | ||||
| 在DLL库中对应命令名 | ||||
| DragQueryFileW | ||||
| 参数名 | 类型 | 传址 | 数组 | 备注 |
| hDrop | 整数型 | Identifier of the structure that contains the file names of the dropped files. | ||
| iFile | 整数型 | Index of the file to query. If the value of this parameter is 0xFFFFFFFF, DragQueryFile returns a count of the files dropped. If the value of this parameter is between zero and the total number of files dropped, DragQueryFile copies the file name with the corresponding value to the buffer pointed to by the lpszFile parameter. | ||
| lpszFile | 字节集 | The address of a buffer that receives the file name of a dropped file when the function returns. This file name is a null-terminated string. If this parameter is NULL, DragQueryFile returns the required size, in characters, of this buffer. | ||
| cch | 整数型 | The size, in characters, of the lpszFile buffer. | ||
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