Delete the previous item int count = m_pListWidget-> count () Ĭonst QString sourceFile = m_pSourceLineEdit-> text () Ĭonst QString fileRoot = m_pSaveLineEdit-> text () QString dir = QFileDialog :: getExistingDirectory ( this, QString ( "Open Directory" ), Set save path void Widget :: onSaveSelected () QString fileName = QFileDialog :: getOpenFileName ( this, QString ( "Open File" ), Set the source file path void Widget :: onSourceSelected () M_pListWidget-> setMovement (QListWidget :: Static) Ĭonnect (m_pSourceButton, & QPushButton :: clicked, this, & Widget :: onSourceSelected) Ĭonnect (m_pSaveButton, & QPushButton :: clicked, this, & Widget :: onSaveSelected) Ĭonnect (m_pExtractButton, & QPushButton :: clicked, this, & Widget :: onExtract) M_pListWidget-> setResizeMode (QListWidget :: Adjust) M_pListWidget-> setViewMode (QListWidget :: IconMode) PLayout-> addWidget (m_pExtractButton, 4, 1 ) PLayout-> addWidget (m_pTextEdit, 3, 0, 1, 2 ) PLayout-> addWidget (m_pListWidget, 2, 0, 1, 2 ) PLayout-> addWidget (m_pSaveButton, 1, 1 ) PLayout-> addWidget (m_pSaveLineEdit, 1, 0 ) PLayout-> addWidget (m_pSourceButton, 0, 1 ) PLayout-> addWidget (m_pSourceLineEdit, 0, 0 ) QGridLayout * pLayout = new QGridLayout ( this ) M_pExtractButton-> setText (QStringLiteral ( "Extract" )) M_pSaveButton-> setText (QStringLiteral ( "Save Path" )) M_pSourceButton-> setText (QStringLiteral ( "Source File" )) M_pSourceLineEdit-> setReadOnly ( true ) M_pExtractButton = new QPushButton ( this ) M_pSaveButton = new QPushButton ( this ) M_pSourceButton = new QPushButton ( this ) M_pListWidget = new QListWidget ( this ) M_pSaveLineEdit = new QLineEdit ( this ) M_pSourceLineEdit = new QLineEdit ( this ) SetWindowTitle (QStringLiteral ( "Qt extract exe / dll / icon file icon" )) Source File: #include "widget.h" #include #include #include #include #include #include #include #include #include #include #include
Head File: #ifndef WIDGET_H # define WIDGET_H #include #include In this way, you can use QtWin to convert HICON to QPixmap. UINT nlcons // Extract the number of icons from the file LPCTSTR IpSZFile, // executable file, DLL, or icon file int nlconlndex, // extract the first icon zero-based index Same as ExtractIcon (), but can extract large icons (32 x 32) and small icons (16 x 16).ĮxtractIconEx () function prototype: UINT EXtractlcohEX ( This function always returns a large icon (32 x 32). Extract the icon at the specified index position from a file, the index starts from 0.
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