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lambda_codeblock_anonymous [2018/01/30 05:09]
wolfgangriedmann created
lambda_codeblock_anonymous [2018/01/30 05:10] (current)
wolfgangriedmann
Line 20: Line 20:
 Some examples of this in use: Some examples of this in use:
 <​code>​FUNCTION TestAnonymous() AS VOID <​code>​FUNCTION TestAnonymous() AS VOID
-    ​LOCAL oForm AS Form +  ​LOCAL oForm AS Form 
-    oForm := Form{} +  oForm := Form{} 
-    // Anonymous method expression with 2 statements. Note that the  +  // Anonymous method expression with 2 statements. Note that the  
-    // first statement must appear on the line following the opening Curly  +  // first statement must appear on the line following the opening Curly  
-    // and the closing curly must be on a separate line after the statements +  // and the closing curly must be on a separate line after the statements 
-    // (because the statement list '​eats'​ the end of lines) +  // (because the statement list '​eats'​ the end of lines) 
-    oForm:Click += DELEGATE(o AS System.Object,​ e AS System.EventArgs ) { +  oForm:Click += DELEGATE(o AS System.Object,​ e AS System.EventArgs ) { 
                         System.Windows.Forms.MessageBox.Show("​Click 1!"​) ​                           System.Windows.Forms.MessageBox.Show("​Click 1!"​) ​  
                         System.Windows.Forms.MessageBox.Show("​Click 2!"​)  ​                         System.Windows.Forms.MessageBox.Show("​Click 2!"​)  ​
                    ​}  ​                    ​}  ​
-    ​// Lambda Expression with untyped parameters and single expression +  ​// Lambda Expression with untyped parameters and single expression 
-    oForm:Click += { o,e => System.Windows.Forms.MessageBox.Show("​Lamda Untyped!"​) }  ​+  oForm:Click += { o,e => System.Windows.Forms.MessageBox.Show("​Lamda Untyped!"​) }  ​
  
-    ​// Lambda Expression with untyped parameters and single expression. +  ​// Lambda Expression with untyped parameters and single expression. 
-    // For readability here split over 2 lines with a semicolon that indicates  +  // For readability here split over 2 lines with a semicolon that indicates  
-    // that the statement is continued on the next line +  // that the statement is continued on the next line 
-    oForm:Click += { o as Object,e as EventArgs ; +  oForm:Click += { o as Object,e as EventArgs ; 
                      => System.Windows.Forms.MessageBox.Show("​Lamda Typed!"​) }  ​                      => System.Windows.Forms.MessageBox.Show("​Lamda Typed!"​) }  ​
  
-    ​oForm:​ShowDialog() +  ​oForm:​ShowDialog() 
-    RETURN<​code>​+  RETURN</code>
     ​     ​
 Source: [[https://​www.xsharp.info/​forum/​private-product/​306-codeblock-syntax-and-lambda-expressions?​start=15#​1967|Codeblock syntax and Lambda expressions - X# Forum post by Robert v.d.Hulst]] Source: [[https://​www.xsharp.info/​forum/​private-product/​306-codeblock-syntax-and-lambda-expressions?​start=15#​1967|Codeblock syntax and Lambda expressions - X# Forum post by Robert v.d.Hulst]]
  
  
lambda_codeblock_anonymous.txt · Last modified: 2018/01/30 05:10 by wolfgangriedmann