�t�@�C��Ɋ֘A�t��ꂽ�A�C�R��擾��ɂ́H�m2.0�̂݁AC#�AVB�n

�@

.NET TIPS

�t�@�C��Ɋ֘A�t��ꂽ�A�C�R��擾��ɂ́H�m2.0�̂݁AC#�AVB�n

�f�W�^��A�h�o��e�[�W�@��F ��F
2006/04/07

�@.NET Framework 1.x�ł́A�t�@�C��Ɋ֘A�t��ꂽ�A�v��P�[�V��A�C�R��擾��ɂ́A�uTIPS�F��s�t�@�C��A�v��P�[�V��̃A�C�R��擾��ɂ́H�v�Ő��Ă��悤��Win32 API��SHGetFileInfo�֐��Win32 API��ExtractAssociatedIcon�֐��Ăяo��K�v��B�܂�A��̂悤�ȏ��.NET Framework�̃N��X�E��C�u��ł͋C�y�Ɏ��ł��Ȃ��̂��B

�@��.NET Framework 2.0�ł̓t�@�C��Ɋ֘A�t��ꂽ�A�C�R��擾��邽�߂̃��\�b�h��V��ɒǉ��Ă��A��ɊȒP�ɂ��̏��ł��悤�ɂȂ��Ă��B��̓I�ɂ͎��̃��\�b�h��ǉ��ꂽ�B

Icon�N��X�iSystem. Drawing��O��ԁj�̐ÓI��ExtractAssociatedIcon��\�b�h

�@��̃��\�b�h�́A�p��[�^�Ƀt�@�C��E�p�X�𕶎��Ŏw�肵�ČĂяo��ƁA�߂�l�Ƃ��Icon�I�u�W�F�N�g��Ԃ��B�Ȃ��A�p��[�^�Ƀt�@�C��E�p�X�ȊO�̒l�A�Ⴆ�΃t�H��_�E�p�X�Ȃǂ��w�肵��ꍇ�́A��R�Ȃ��FileNotFoundException��O�iSystem.IO��O��ԁj�Ȃǂ̃G��[��B

�@��̃T��v��E�v��O��́A��Icon.ExtractAssociatedIcon��\�b�h��ۂɗ��p��ł��B��̃v��O��́A�m�A�C�R��̃r�b�g�}�b�v��\��n�{�^��N��b�N��ƁATextBox�R��g��[��itextBoxPath�j�ɓ��͂��ꂽ�p�X�̃t�@�C��Ɋ֘A�t��ꂽ�A�C�R��擾��APictureBox�R��g��[��ipictureBox1�j��ɕ\��i��̓I�ȓ��e�E��@�́A�ȉ��Ŏ��s��ʂ̉�ʂ��Q�Ƃ��Ăق��j�B�Ȃ��\�[�X�E�R�[�h�S�͈̂ȉ��̐��ɂ��郊��N��_�E��[�h�ł��B

private void buttonShow_Click(object sender, EventArgs e)

{

  string path = textBoxPath.Text;

  Icon appIcon = 

    System.Drawing.Icon.ExtractAssociatedIcon(path);

  pictureBox1.Image = appIcon.ToBitmap();

}

Private Sub buttonShow_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles buttonShow.Click

  Dim path As String = textBoxPath.Text

  Dim appIcon As Icon = _

    System.Drawing.Icon.ExtractAssociatedIcon(path)

  pictureBox1.Image = appIcon.ToBitmap()

End Sub

Icon.ExtractAssociatedIcon��\�b�h��ۂɗ��p��T��v��E�v��O��i��FC#�A��FVB�j

ExtractAssociatedIcon��\�b�h�̌Ăяo��Icon�N��X�̑O�ɖ��O��ԁiSystem.Drawing.�j��t��̂́A�t�H�[��̂��Icon�v��p�e�B�ƌ��t��悤�ɂ��邽�߂��B

�\�[�X�E�R�[�h�S�̂̃_�E��[�h�iC#�ŁFForm1.cs�^VB�ŁFForm1.vb�j

�@�܂��A�{�e�̃T��v��E�v��O��ł́ATextBox�R��g��[��ւ̃t�@�C��E�p�X�̓��͂́m�Q�Ɓn�{�^��Łm�t�@�C��J��n�_�C�A��O�i��System.Windows.Forms��O��Ԃ�OpenFileDialog�N��X�j��J��A��Q�Ƃ��Ȃ��w��ł��悤�ɂ��Ă��B��́m�t�@�C��J��n�_�C�A��O�̎��@�ɂ��ẮA�uC#�v��O��~��OTips �\ �R��E�_�C�A��O��g��v��Q�Ƃ��Ăق��B�{�e�ł͊��B

�@�ȏ�̃T��v��E�v��O��s��̂��̉�ʂł��B

�T��v��E�v��O��̎��s��

TextBox�R��g��[��itextBoxPath�j�Ƀt�@�C��E�p�X��͂��ām�A�C�R��̃r�b�g�}�b�v��\��n�{�^��N��b�N��ƁA��̃t�@�C��Ɋ֘A�t��ꂽ�A�C�R��擾��APictureBox�R��g��[��ipictureBox1�j��ɕ\��B�Ȃ��A�m�Q�Ɓn�{�^��N��b�N��ƁATextBox�R��g��[��ɓ��͂��t�@�C��A�m�t�@�C��J��n�_�C�A��O��Q�Ƃ��Ȃ��w��ł��B

�@��̉�ʂ̂悤�ɁA�uC:\WINDOWS\system32\notepad.exe�v��w�肵�ām�A�C�R��̃r�b�g�}�b�v��\��n�{�^��N��b�N��ƁA�i��{�I�Ɂj�u��v�A�v��P�[�V��̃A�C�R��̃r�b�g�}�b�v�摜��PictureBox�R��g��[��ɕ\��͂��B

��p�\�o�[�W��F.NET Framework 2.0�̂�
�J�e�S��FWindows�t�H�[��@��ΏہF��\�[�X
�J�e�S��F�N��X�E��C�u��@��ΏہF��\�[�X
�J�e�S��F�R��\�[��E�A�v��P�[�V��@��ΏہF�L�[�{�[�h
�g�p��C�u��FIcon�N��X�iSystem. Drawing��O��ԁj
�g�p��C�u��FFileNotFoundException�N��X�iSystem.IO��O��ԁj

��̋L��Ɗ֘A��̍��ʂ�.NET TIPS

		��s�t�@�C��A�v��P�[�V��̃A�C�R��擾��ɂ́H
		�^�X�N�o�[�ɃA�C�R��\��Ȃ��悤�ɂ��ɂ́H
		�V�X�e��g��C�i�^�X�N�g��C�j�ɃA�C�R��\��ɂ́H
		UAC�̏��A�C�R��擾��ɂ́H
		�V�X�e��g��C�i�^�X�N�g��C�j�ɃA�C�R��\��ɂ́H

��̃��X�g�́A�i��j�f�W�^��A�h�o��e�[�W��J��
��֘A�L��T��V�X�e�� Jigsaw�i�W�O�\�[�j �ɂ�莩��o��̂ł��B

generated by

�u.NET TIPS�v

Insider.NET �t�H�[�� V��L��

��2��@�Ȍ��ȃR�[�f�B��O�̂��߂� �i2017/7/26�j
�@��_��ŋL�q�ł��郁��o�̑��Athrow��Aout�ϐ��A�^�v��ȂǁAC# 7�ɂ͈ȑO��R�[�h��Ȍ��ɋL�q�ł��悤�ȋ@�\��Ă��
��1��@Visual Studio Code�f�o�b�O�̊�b�m�� �i2017/7/21�j
�@Node.js�v��O��f�o�b�O��Ȃ��AVisual Studio Code�ɓ��Ă��f�o�b�O�@�\�̊�{�́u�L�v��}�X�^�[��悤
��1��@��ĂȃR�[�f�B��O�̂��߂� �i2017/7/19�j
�@C# 7�Œǉ��ꂽ�V�@�\�̒��A�u��l��e��\��̉��P�v�Ɓu��[�J��֐��v��Љ��B��͕��₷��R�[�h��L�q��̂Ɏg��
Presentation Translator �i2017/7/18�j
�@Presentation Translator��PowerPoint�p�̃A�h�C��B�v��[��e�[�V��̎��̕t��A��ł̎��^��A�X��C�h�̖|��s��